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[/] [or1k/] [trunk/] [insight/] [gdb/] - Rev 1144

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1144 Speed up gdb when running with serial targets:

When generating backtraces, the prologue of each function is scanned
at least three times by architecture-independent code, e.g. to
determine offsets of saved registers, identify frameless functions,
etc. This new code adds straightforward caching of the information
gleaned by or1k_scan_prologue() on a per-frame basis rather than
storing it in global static variables. (This benefits both JTAG and
serial gdb targets, though the JTAG target runs fast enough that it is
not particularly needed.)

When the register set is dumped by the serial target, e.g. at any
breakpoint or interrupt, the 32 vector/FP registers were included in
the dump (each 8 bytes long), though they aren't implemented. The new
code tells gdb that unimplemented registers have zero length in the
dump.		 sfurman 7744d 15h /or1k/trunk/insight/gdb/
1142 Speed up gdb when running with serial targets:

When generating backtraces, the prologue of each function is scanned
at least three times by architecture-independent code, e.g. to
determine offsets of saved registers, identify frameless functions,
etc. This new code adds straightforward caching of the information
gleaned by or1k_scan_prologue() on a per-frame basis rather than
storing it in global static variables. (This benefits both JTAG and
serial gdb targets, though the JTAG target runs fast enough that it is
not particularly needed.)

When the register set is dumped by the serial target, e.g. at any
breakpoint or interrupt, the 32 vector/FP registers were included in
the dump (each 8 bytes long), though they aren't implemented. The new
code tells gdb that unimplemented registers have zero length in the
dump.		 sfurman 7745d 06h /or1k/trunk/insight/gdb/
1124 Initialize or1k_implementation with reasonable defaults for the number
of implementation registers. This doesn't affect the jtag or sim
targets at all because those values are always overwritten when
or1k_implementation is initialized. However, it is necessary when
connecting to remote gdb stubs through a serial port or socket, since
or1k_implementation is not yet initialized for those targets.		 sfurman 7778d 08h /or1k/trunk/insight/gdb/
1123 Renumber/rename SPRs to match latest architecture doc sfurman 7779d 15h /or1k/trunk/insight/gdb/
1115 Fix stack-walking code in or1k_frame_chain() and or1k_skip_prologue()
to expect the function prologue that or32 gcc currently emits, rather
than a previous incarnation of the or1k ABI.		 sfurman 7801d 12h /or1k/trunk/insight/gdb/
874 Command for displaying trace buffer added. simons 8033d 20h /or1k/trunk/insight/gdb/
613 init: trap exception occurs always; initialization of sr not needed anymore markom 8185d 01h /or1k/trunk/insight/gdb/
607 single step steps just one instruction ^c bug fixed markom 8187d 00h /or1k/trunk/insight/gdb/
603 fixed bfd markom 8188d 02h /or1k/trunk/insight/gdb/
593 ctrl-c handling fixed markom 8190d 23h /or1k/trunk/insight/gdb/
578 Insight markom 8193d 01h /or1k/trunk/insight/gdb/
577 info spr fixed markom 8193d 21h /or1k/trunk/insight/gdb/
405 Stepping trough l.jal and l.jalr fixed. simons 8236d 02h /or1k/trunk/insight/gdb/
404 is_delayed() is used outside this file. simons 8236d 02h /or1k/trunk/insight/gdb/
403 Prompt changed because ddd requires (gdb). simons 8236d 02h /or1k/trunk/insight/gdb/
379 bug fixed. markom 8243d 03h /or1k/trunk/insight/gdb/
375 Support for breakpoints changed. simons 8243d 14h /or1k/trunk/insight/gdb/
374 *** empty log message *** simons 8243d 19h /or1k/trunk/insight/gdb/
373 update after links markom 8244d 00h /or1k/trunk/insight/gdb/
372 steps toward joining or32.c and opcode/or32.h of or1ksim and gdb; added opcodes/or32.c; more detailed gdb l.trap handling markom 8244d 02h /or1k/trunk/insight/gdb/

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